Having add there is expected since batch norm has a shift by constant. But the idea is that the new add can be folded into conv2d bias add. SimplifyExpr pass finds such two consecutive add with constant rhs, and fold them into one add.
Having add there is expected since batch norm has a shift by constant. But the idea is that the new add can be folded into conv2d bias add. SimplifyExpr pass finds such two consecutive add with constant rhs, and fold them into one add.